Boot



FIG. 1 is a right side view of a boot, showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a left perspective view thereof.

The ornamental design for a boot, as shown and described.